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<pre><code><span id="1" class="l"><a class="l" href="#1">  1: </a><span class="xlang">&lt;?php</span> <span class="php-keyword1">if</span> ( ! <span class="php-keyword2">defined</span>(<span class="php-quote">'BASEPATH'</span>)) <span class="php-keyword1">exit</span>(<span class="php-quote">'No direct script access allowed'</span>);
</span><span id="2" class="l"><a class="l" href="#2">  2: </a><span class="php-comment">/**
</span></span><span id="3" class="l"><a class="l" href="#3">  3: </a><span class="php-comment"> * CodeIgniter
</span></span><span id="4" class="l"><a class="l" href="#4">  4: </a><span class="php-comment"> *
</span></span><span id="5" class="l"><a class="l" href="#5">  5: </a><span class="php-comment"> * An open source application development framework for PHP 4.3.2 or newer
</span></span><span id="6" class="l"><a class="l" href="#6">  6: </a><span class="php-comment"> *
</span></span><span id="7" class="l"><a class="l" href="#7">  7: </a><span class="php-comment"> * @package     CodeIgniter
</span></span><span id="8" class="l"><a class="l" href="#8">  8: </a><span class="php-comment"> * @author      ExpressionEngine Dev Team
</span></span><span id="9" class="l"><a class="l" href="#9">  9: </a><span class="php-comment"> * @copyright   Copyright (c) 2006 - 2012 EllisLab, Inc.
</span></span><span id="10" class="l"><a class="l" href="#10"> 10: </a><span class="php-comment"> * @license     http://codeigniter.com/user_guide/license.html
</span></span><span id="11" class="l"><a class="l" href="#11"> 11: </a><span class="php-comment"> * @link        http://codeigniter.com
</span></span><span id="12" class="l"><a class="l" href="#12"> 12: </a><span class="php-comment"> * @since       Version 2.0
</span></span><span id="13" class="l"><a class="l" href="#13"> 13: </a><span class="php-comment"> * @filesource  
</span></span><span id="14" class="l"><a class="l" href="#14"> 14: </a><span class="php-comment"> */</span>
</span><span id="15" class="l"><a class="l" href="#15"> 15: </a>
</span><span id="16" class="l"><a class="l" href="#16"> 16: </a><span class="php-comment">// ------------------------------------------------------------------------</span>
</span><span id="17" class="l"><a class="l" href="#17"> 17: </a>
</span><span id="18" class="l"><a class="l" href="#18"> 18: </a><span class="php-comment">/**
</span></span><span id="19" class="l"><a class="l" href="#19"> 19: </a><span class="php-comment"> * CodeIgniter Caching Class 
</span></span><span id="20" class="l"><a class="l" href="#20"> 20: </a><span class="php-comment"> *
</span></span><span id="21" class="l"><a class="l" href="#21"> 21: </a><span class="php-comment"> * @package     CodeIgniter
</span></span><span id="22" class="l"><a class="l" href="#22"> 22: </a><span class="php-comment"> * @subpackage  Libraries
</span></span><span id="23" class="l"><a class="l" href="#23"> 23: </a><span class="php-comment"> * @category    Core
</span></span><span id="24" class="l"><a class="l" href="#24"> 24: </a><span class="php-comment"> * @author      ExpressionEngine Dev Team
</span></span><span id="25" class="l"><a class="l" href="#25"> 25: </a><span class="php-comment"> * @link        
</span></span><span id="26" class="l"><a class="l" href="#26"> 26: </a><span class="php-comment"> */</span>
</span><span id="27" class="l"><a class="l" href="#27"> 27: </a><span class="php-keyword1">class</span> <a id="CI_Cache" href="#CI_Cache">CI_Cache</a> <span class="php-keyword1">extends</span> CI_Driver_Library {
</span><span id="28" class="l"><a class="l" href="#28"> 28: </a>    
</span><span id="29" class="l"><a class="l" href="#29"> 29: </a>    <span class="php-keyword1">protected</span> <span class="php-var"><a id="$valid_drivers" href="#$valid_drivers">$valid_drivers</a></span>    = <span class="php-keyword1">array</span>(
</span><span id="30" class="l"><a class="l" href="#30"> 30: </a>        <span class="php-quote">'cache_apc'</span>, <span class="php-quote">'cache_file'</span>, <span class="php-quote">'cache_memcached'</span>, <span class="php-quote">'cache_dummy'</span>
</span><span id="31" class="l"><a class="l" href="#31"> 31: </a>    );
</span><span id="32" class="l"><a class="l" href="#32"> 32: </a>
</span><span id="33" class="l"><a class="l" href="#33"> 33: </a>    <span class="php-keyword1">protected</span> <span class="php-var"><a id="$_cache_path" href="#$_cache_path">$_cache_path</a></span>      = <span class="php-keyword1">NULL</span>;     <span class="php-comment">// Path of cache files (if file-based cache)</span>
</span><span id="34" class="l"><a class="l" href="#34"> 34: </a>    <span class="php-keyword1">protected</span> <span class="php-var"><a id="$_adapter" href="#$_adapter">$_adapter</a></span>         = <span class="php-quote">'dummy'</span>;
</span><span id="35" class="l"><a class="l" href="#35"> 35: </a>    <span class="php-keyword1">protected</span> <span class="php-var"><a id="$_backup_driver" href="#$_backup_driver">$_backup_driver</a></span>;
</span><span id="36" class="l"><a class="l" href="#36"> 36: </a>    
</span><span id="37" class="l"><a class="l" href="#37"> 37: </a>    <span class="php-comment">// ------------------------------------------------------------------------</span>
</span><span id="38" class="l"><a class="l" href="#38"> 38: </a>
</span><span id="39" class="l"><a class="l" href="#39"> 39: </a>    <span class="php-comment">/**
</span></span><span id="40" class="l"><a class="l" href="#40"> 40: </a><span class="php-comment">     * Constructor
</span></span><span id="41" class="l"><a class="l" href="#41"> 41: </a><span class="php-comment">     *
</span></span><span id="42" class="l"><a class="l" href="#42"> 42: </a><span class="php-comment">     * @param array
</span></span><span id="43" class="l"><a class="l" href="#43"> 43: </a><span class="php-comment">     */</span>
</span><span id="44" class="l"><a class="l" href="#44"> 44: </a>    <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> <a id="___construct" href="#___construct">__construct</a>(<span class="php-var">$config</span> = <span class="php-keyword1">array</span>())
</span><span id="45" class="l"><a class="l" href="#45"> 45: </a>    {
</span><span id="46" class="l"><a class="l" href="#46"> 46: </a>        <span class="php-keyword1">if</span> ( ! <span class="php-keyword1">empty</span>(<span class="php-var">$config</span>))
</span><span id="47" class="l"><a class="l" href="#47"> 47: </a>        {
</span><span id="48" class="l"><a class="l" href="#48"> 48: </a>            <span class="php-var">$this</span>-&gt;_initialize(<span class="php-var">$config</span>);
</span><span id="49" class="l"><a class="l" href="#49"> 49: </a>        }
</span><span id="50" class="l"><a class="l" href="#50"> 50: </a>    }
</span><span id="51" class="l"><a class="l" href="#51"> 51: </a>
</span><span id="52" class="l"><a class="l" href="#52"> 52: </a>    <span class="php-comment">// ------------------------------------------------------------------------</span>
</span><span id="53" class="l"><a class="l" href="#53"> 53: </a>
</span><span id="54" class="l"><a class="l" href="#54"> 54: </a>    <span class="php-comment">/**
</span></span><span id="55" class="l"><a class="l" href="#55"> 55: </a><span class="php-comment">     * Get 
</span></span><span id="56" class="l"><a class="l" href="#56"> 56: </a><span class="php-comment">     *
</span></span><span id="57" class="l"><a class="l" href="#57"> 57: </a><span class="php-comment">     * Look for a value in the cache.  If it exists, return the data 
</span></span><span id="58" class="l"><a class="l" href="#58"> 58: </a><span class="php-comment">     * if not, return FALSE
</span></span><span id="59" class="l"><a class="l" href="#59"> 59: </a><span class="php-comment">     *
</span></span><span id="60" class="l"><a class="l" href="#60"> 60: </a><span class="php-comment">     * @param   string  
</span></span><span id="61" class="l"><a class="l" href="#61"> 61: </a><span class="php-comment">     * @return  mixed       value that is stored/FALSE on failure
</span></span><span id="62" class="l"><a class="l" href="#62"> 62: </a><span class="php-comment">     */</span>
</span><span id="63" class="l"><a class="l" href="#63"> 63: </a>    <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> <a id="_get" href="#_get">get</a>(<span class="php-var">$id</span>)
</span><span id="64" class="l"><a class="l" href="#64"> 64: </a>    {   
</span><span id="65" class="l"><a class="l" href="#65"> 65: </a>        <span class="php-keyword1">return</span> <span class="php-var">$this</span>-&gt;{<span class="php-var">$this</span>-&gt;_adapter}-&gt;get(<span class="php-var">$id</span>);
</span><span id="66" class="l"><a class="l" href="#66"> 66: </a>    }
</span><span id="67" class="l"><a class="l" href="#67"> 67: </a>
</span><span id="68" class="l"><a class="l" href="#68"> 68: </a>    <span class="php-comment">// ------------------------------------------------------------------------</span>
</span><span id="69" class="l"><a class="l" href="#69"> 69: </a>
</span><span id="70" class="l"><a class="l" href="#70"> 70: </a>    <span class="php-comment">/**
</span></span><span id="71" class="l"><a class="l" href="#71"> 71: </a><span class="php-comment">     * Cache Save
</span></span><span id="72" class="l"><a class="l" href="#72"> 72: </a><span class="php-comment">     *
</span></span><span id="73" class="l"><a class="l" href="#73"> 73: </a><span class="php-comment">     * @param   string      Unique Key
</span></span><span id="74" class="l"><a class="l" href="#74"> 74: </a><span class="php-comment">     * @param   mixed       Data to store
</span></span><span id="75" class="l"><a class="l" href="#75"> 75: </a><span class="php-comment">     * @param   int         Length of time (in seconds) to cache the data
</span></span><span id="76" class="l"><a class="l" href="#76"> 76: </a><span class="php-comment">     *
</span></span><span id="77" class="l"><a class="l" href="#77"> 77: </a><span class="php-comment">     * @return  boolean     true on success/false on failure
</span></span><span id="78" class="l"><a class="l" href="#78"> 78: </a><span class="php-comment">     */</span>
</span><span id="79" class="l"><a class="l" href="#79"> 79: </a>    <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> <a id="_save" href="#_save">save</a>(<span class="php-var">$id</span>, <span class="php-var">$data</span>, <span class="php-var">$ttl</span> = <span class="php-num">60</span>)
</span><span id="80" class="l"><a class="l" href="#80"> 80: </a>    {
</span><span id="81" class="l"><a class="l" href="#81"> 81: </a>        <span class="php-keyword1">return</span> <span class="php-var">$this</span>-&gt;{<span class="php-var">$this</span>-&gt;_adapter}-&gt;save(<span class="php-var">$id</span>, <span class="php-var">$data</span>, <span class="php-var">$ttl</span>);
</span><span id="82" class="l"><a class="l" href="#82"> 82: </a>    }
</span><span id="83" class="l"><a class="l" href="#83"> 83: </a>
</span><span id="84" class="l"><a class="l" href="#84"> 84: </a>    <span class="php-comment">// ------------------------------------------------------------------------</span>
</span><span id="85" class="l"><a class="l" href="#85"> 85: </a>
</span><span id="86" class="l"><a class="l" href="#86"> 86: </a>    <span class="php-comment">/**
</span></span><span id="87" class="l"><a class="l" href="#87"> 87: </a><span class="php-comment">     * Delete from Cache
</span></span><span id="88" class="l"><a class="l" href="#88"> 88: </a><span class="php-comment">     *
</span></span><span id="89" class="l"><a class="l" href="#89"> 89: </a><span class="php-comment">     * @param   mixed       unique identifier of the item in the cache
</span></span><span id="90" class="l"><a class="l" href="#90"> 90: </a><span class="php-comment">     * @return  boolean     true on success/false on failure
</span></span><span id="91" class="l"><a class="l" href="#91"> 91: </a><span class="php-comment">     */</span>
</span><span id="92" class="l"><a class="l" href="#92"> 92: </a>    <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> <span class="php-keyword2">delete</span>(<span class="php-var">$id</span>)
</span><span id="93" class="l"><a class="l" href="#93"> 93: </a>    {
</span><span id="94" class="l"><a class="l" href="#94"> 94: </a>        <span class="php-keyword1">return</span> <span class="php-var">$this</span>-&gt;{<span class="php-var">$this</span>-&gt;_adapter}-&gt;<span class="php-keyword2">delete</span>(<span class="php-var">$id</span>);
</span><span id="95" class="l"><a class="l" href="#95"> 95: </a>    }
</span><span id="96" class="l"><a class="l" href="#96"> 96: </a>
</span><span id="97" class="l"><a class="l" href="#97"> 97: </a>    <span class="php-comment">// ------------------------------------------------------------------------</span>
</span><span id="98" class="l"><a class="l" href="#98"> 98: </a>
</span><span id="99" class="l"><a class="l" href="#99"> 99: </a>    <span class="php-comment">/**
</span></span><span id="100" class="l"><a class="l" href="#100">100: </a><span class="php-comment">     * Clean the cache
</span></span><span id="101" class="l"><a class="l" href="#101">101: </a><span class="php-comment">     *
</span></span><span id="102" class="l"><a class="l" href="#102">102: </a><span class="php-comment">     * @return  boolean     false on failure/true on success
</span></span><span id="103" class="l"><a class="l" href="#103">103: </a><span class="php-comment">     */</span>
</span><span id="104" class="l"><a class="l" href="#104">104: </a>    <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> <a id="_clean" href="#_clean">clean</a>()
</span><span id="105" class="l"><a class="l" href="#105">105: </a>    {
</span><span id="106" class="l"><a class="l" href="#106">106: </a>        <span class="php-keyword1">return</span> <span class="php-var">$this</span>-&gt;{<span class="php-var">$this</span>-&gt;_adapter}-&gt;clean();
</span><span id="107" class="l"><a class="l" href="#107">107: </a>    }
</span><span id="108" class="l"><a class="l" href="#108">108: </a>
</span><span id="109" class="l"><a class="l" href="#109">109: </a>    <span class="php-comment">// ------------------------------------------------------------------------</span>
</span><span id="110" class="l"><a class="l" href="#110">110: </a>
</span><span id="111" class="l"><a class="l" href="#111">111: </a>    <span class="php-comment">/**
</span></span><span id="112" class="l"><a class="l" href="#112">112: </a><span class="php-comment">     * Cache Info
</span></span><span id="113" class="l"><a class="l" href="#113">113: </a><span class="php-comment">     *
</span></span><span id="114" class="l"><a class="l" href="#114">114: </a><span class="php-comment">     * @param   string      user/filehits
</span></span><span id="115" class="l"><a class="l" href="#115">115: </a><span class="php-comment">     * @return  mixed       array on success, false on failure  
</span></span><span id="116" class="l"><a class="l" href="#116">116: </a><span class="php-comment">     */</span>
</span><span id="117" class="l"><a class="l" href="#117">117: </a>    <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> <a id="_cache_info" href="#_cache_info">cache_info</a>(<span class="php-var">$type</span> = <span class="php-quote">'user'</span>)
</span><span id="118" class="l"><a class="l" href="#118">118: </a>    {
</span><span id="119" class="l"><a class="l" href="#119">119: </a>        <span class="php-keyword1">return</span> <span class="php-var">$this</span>-&gt;{<span class="php-var">$this</span>-&gt;_adapter}-&gt;cache_info(<span class="php-var">$type</span>);
</span><span id="120" class="l"><a class="l" href="#120">120: </a>    }
</span><span id="121" class="l"><a class="l" href="#121">121: </a>
</span><span id="122" class="l"><a class="l" href="#122">122: </a>    <span class="php-comment">// ------------------------------------------------------------------------</span>
</span><span id="123" class="l"><a class="l" href="#123">123: </a>    
</span><span id="124" class="l"><a class="l" href="#124">124: </a>    <span class="php-comment">/**
</span></span><span id="125" class="l"><a class="l" href="#125">125: </a><span class="php-comment">     * Get Cache Metadata
</span></span><span id="126" class="l"><a class="l" href="#126">126: </a><span class="php-comment">     *
</span></span><span id="127" class="l"><a class="l" href="#127">127: </a><span class="php-comment">     * @param   mixed       key to get cache metadata on
</span></span><span id="128" class="l"><a class="l" href="#128">128: </a><span class="php-comment">     * @return  mixed       return value from child method
</span></span><span id="129" class="l"><a class="l" href="#129">129: </a><span class="php-comment">     */</span>
</span><span id="130" class="l"><a class="l" href="#130">130: </a>    <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> <a id="_get_metadata" href="#_get_metadata">get_metadata</a>(<span class="php-var">$id</span>)
</span><span id="131" class="l"><a class="l" href="#131">131: </a>    {
</span><span id="132" class="l"><a class="l" href="#132">132: </a>        <span class="php-keyword1">return</span> <span class="php-var">$this</span>-&gt;{<span class="php-var">$this</span>-&gt;_adapter}-&gt;get_metadata(<span class="php-var">$id</span>);
</span><span id="133" class="l"><a class="l" href="#133">133: </a>    }
</span><span id="134" class="l"><a class="l" href="#134">134: </a>    
</span><span id="135" class="l"><a class="l" href="#135">135: </a>    <span class="php-comment">// ------------------------------------------------------------------------</span>
</span><span id="136" class="l"><a class="l" href="#136">136: </a>
</span><span id="137" class="l"><a class="l" href="#137">137: </a>    <span class="php-comment">/**
</span></span><span id="138" class="l"><a class="l" href="#138">138: </a><span class="php-comment">     * Initialize
</span></span><span id="139" class="l"><a class="l" href="#139">139: </a><span class="php-comment">     *
</span></span><span id="140" class="l"><a class="l" href="#140">140: </a><span class="php-comment">     * Initialize class properties based on the configuration array.
</span></span><span id="141" class="l"><a class="l" href="#141">141: </a><span class="php-comment">     *
</span></span><span id="142" class="l"><a class="l" href="#142">142: </a><span class="php-comment">     * @param   array   
</span></span><span id="143" class="l"><a class="l" href="#143">143: </a><span class="php-comment">     * @return  void
</span></span><span id="144" class="l"><a class="l" href="#144">144: </a><span class="php-comment">     */</span>
</span><span id="145" class="l"><a class="l" href="#145">145: </a>    <span class="php-keyword1">private</span> <span class="php-keyword1">function</span> <a id="__initialize" href="#__initialize">_initialize</a>(<span class="php-var">$config</span>)
</span><span id="146" class="l"><a class="l" href="#146">146: </a>    {        
</span><span id="147" class="l"><a class="l" href="#147">147: </a>        <span class="php-var">$default_config</span> = <span class="php-keyword1">array</span>(
</span><span id="148" class="l"><a class="l" href="#148">148: </a>                <span class="php-quote">'adapter'</span>,
</span><span id="149" class="l"><a class="l" href="#149">149: </a>                <span class="php-quote">'memcached'</span>
</span><span id="150" class="l"><a class="l" href="#150">150: </a>            );
</span><span id="151" class="l"><a class="l" href="#151">151: </a>
</span><span id="152" class="l"><a class="l" href="#152">152: </a>        <span class="php-keyword1">foreach</span> (<span class="php-var">$default_config</span> <span class="php-keyword1">as</span> <span class="php-var">$key</span>)
</span><span id="153" class="l"><a class="l" href="#153">153: </a>        {
</span><span id="154" class="l"><a class="l" href="#154">154: </a>            <span class="php-keyword1">if</span> (<span class="php-keyword1">isset</span>(<span class="php-var">$config</span>[<span class="php-var">$key</span>]))
</span><span id="155" class="l"><a class="l" href="#155">155: </a>            {
</span><span id="156" class="l"><a class="l" href="#156">156: </a>                <span class="php-var">$param</span> = <span class="php-quote">'_'</span>.<span class="php-var">$key</span>;
</span><span id="157" class="l"><a class="l" href="#157">157: </a>
</span><span id="158" class="l"><a class="l" href="#158">158: </a>                <span class="php-var">$this</span>-&gt;{<span class="php-var">$param</span>} = <span class="php-var">$config</span>[<span class="php-var">$key</span>];
</span><span id="159" class="l"><a class="l" href="#159">159: </a>            }
</span><span id="160" class="l"><a class="l" href="#160">160: </a>        }
</span><span id="161" class="l"><a class="l" href="#161">161: </a>
</span><span id="162" class="l"><a class="l" href="#162">162: </a>        <span class="php-keyword1">if</span> (<span class="php-keyword1">isset</span>(<span class="php-var">$config</span>[<span class="php-quote">'backup'</span>]))
</span><span id="163" class="l"><a class="l" href="#163">163: </a>        {
</span><span id="164" class="l"><a class="l" href="#164">164: </a>            <span class="php-keyword1">if</span> (<span class="php-keyword2">in_array</span>(<span class="php-quote">'cache_'</span>.<span class="php-var">$config</span>[<span class="php-quote">'backup'</span>], <span class="php-var">$this</span>-&gt;valid_drivers))
</span><span id="165" class="l"><a class="l" href="#165">165: </a>            {
</span><span id="166" class="l"><a class="l" href="#166">166: </a>                <span class="php-var">$this</span>-&gt;_backup_driver = <span class="php-var">$config</span>[<span class="php-quote">'backup'</span>];
</span><span id="167" class="l"><a class="l" href="#167">167: </a>            }
</span><span id="168" class="l"><a class="l" href="#168">168: </a>        }
</span><span id="169" class="l"><a class="l" href="#169">169: </a>    }
</span><span id="170" class="l"><a class="l" href="#170">170: </a>
</span><span id="171" class="l"><a class="l" href="#171">171: </a>    <span class="php-comment">// ------------------------------------------------------------------------</span>
</span><span id="172" class="l"><a class="l" href="#172">172: </a>
</span><span id="173" class="l"><a class="l" href="#173">173: </a>    <span class="php-comment">/**
</span></span><span id="174" class="l"><a class="l" href="#174">174: </a><span class="php-comment">     * Is the requested driver supported in this environment?
</span></span><span id="175" class="l"><a class="l" href="#175">175: </a><span class="php-comment">     *
</span></span><span id="176" class="l"><a class="l" href="#176">176: </a><span class="php-comment">     * @param   string  The driver to test.
</span></span><span id="177" class="l"><a class="l" href="#177">177: </a><span class="php-comment">     * @return  array
</span></span><span id="178" class="l"><a class="l" href="#178">178: </a><span class="php-comment">     */</span>
</span><span id="179" class="l"><a class="l" href="#179">179: </a>    <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> <a id="_is_supported" href="#_is_supported">is_supported</a>(<span class="php-var">$driver</span>)
</span><span id="180" class="l"><a class="l" href="#180">180: </a>    {
</span><span id="181" class="l"><a class="l" href="#181">181: </a>        <span class="php-keyword1">static</span> <span class="php-var"><a id="$support" href="#$support">$support</a></span> = <span class="php-keyword1">array</span>();
</span><span id="182" class="l"><a class="l" href="#182">182: </a>
</span><span id="183" class="l"><a class="l" href="#183">183: </a>        <span class="php-keyword1">if</span> ( ! <span class="php-keyword1">isset</span>(<span class="php-var">$support</span>[<span class="php-var">$driver</span>]))
</span><span id="184" class="l"><a class="l" href="#184">184: </a>        {
</span><span id="185" class="l"><a class="l" href="#185">185: </a>            <span class="php-var">$support</span>[<span class="php-var">$driver</span>] = <span class="php-var">$this</span>-&gt;{<span class="php-var">$driver</span>}-&gt;is_supported();
</span><span id="186" class="l"><a class="l" href="#186">186: </a>        }
</span><span id="187" class="l"><a class="l" href="#187">187: </a>
</span><span id="188" class="l"><a class="l" href="#188">188: </a>        <span class="php-keyword1">return</span> <span class="php-var">$support</span>[<span class="php-var">$driver</span>];
</span><span id="189" class="l"><a class="l" href="#189">189: </a>    }
</span><span id="190" class="l"><a class="l" href="#190">190: </a>
</span><span id="191" class="l"><a class="l" href="#191">191: </a>    <span class="php-comment">// ------------------------------------------------------------------------</span>
</span><span id="192" class="l"><a class="l" href="#192">192: </a>
</span><span id="193" class="l"><a class="l" href="#193">193: </a>    <span class="php-comment">/**
</span></span><span id="194" class="l"><a class="l" href="#194">194: </a><span class="php-comment">     * __get()
</span></span><span id="195" class="l"><a class="l" href="#195">195: </a><span class="php-comment">     *
</span></span><span id="196" class="l"><a class="l" href="#196">196: </a><span class="php-comment">     * @param   child
</span></span><span id="197" class="l"><a class="l" href="#197">197: </a><span class="php-comment">     * @return  object
</span></span><span id="198" class="l"><a class="l" href="#198">198: </a><span class="php-comment">     */</span>
</span><span id="199" class="l"><a class="l" href="#199">199: </a>    <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> <a id="___get" href="#___get">__get</a>(<span class="php-var">$child</span>)
</span><span id="200" class="l"><a class="l" href="#200">200: </a>    {
</span><span id="201" class="l"><a class="l" href="#201">201: </a>        <span class="php-var">$obj</span> = parent::__get(<span class="php-var">$child</span>);
</span><span id="202" class="l"><a class="l" href="#202">202: </a>
</span><span id="203" class="l"><a class="l" href="#203">203: </a>        <span class="php-keyword1">if</span> ( ! <span class="php-var">$this</span>-&gt;is_supported(<span class="php-var">$child</span>))
</span><span id="204" class="l"><a class="l" href="#204">204: </a>        {
</span><span id="205" class="l"><a class="l" href="#205">205: </a>            <span class="php-var">$this</span>-&gt;_adapter = <span class="php-var">$this</span>-&gt;_backup_driver;
</span><span id="206" class="l"><a class="l" href="#206">206: </a>        }
</span><span id="207" class="l"><a class="l" href="#207">207: </a>
</span><span id="208" class="l"><a class="l" href="#208">208: </a>        <span class="php-keyword1">return</span> <span class="php-var">$obj</span>;
</span><span id="209" class="l"><a class="l" href="#209">209: </a>    }
</span><span id="210" class="l"><a class="l" href="#210">210: </a>    
</span><span id="211" class="l"><a class="l" href="#211">211: </a>    <span class="php-comment">// ------------------------------------------------------------------------</span>
</span><span id="212" class="l"><a class="l" href="#212">212: </a>}
</span><span id="213" class="l"><a class="l" href="#213">213: </a><span class="php-comment">// End Class</span>
</span><span id="214" class="l"><a class="l" href="#214">214: </a>
</span><span id="215" class="l"><a class="l" href="#215">215: </a><span class="php-comment">/* End of file Cache.php */</span>
</span><span id="216" class="l"><a class="l" href="#216">216: </a></span><span class="php-comment">/* Location: ./system/libraries/Cache/Cache.php */</span></code></pre>

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